5388021898 has 16 divisors (see below), whose sum is σ = 9534564864. Its totient is φ = 2234663280.

The previous prime is 5388021893. The next prime is 5388021901. The reversal of 5388021898 is 8981208835.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5388021893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6206965 + ... + 6207832.

It is an arithmetic number, because the mean of its divisors is an integer number (595910304).

Almost surely, 2^5388021898 is an apocalyptic number.

5388021898 is a deficient number, since it is larger than the sum of its proper divisors (4146542966).

5388021898 is a wasteful number, since it uses less digits than its factorization.

5388021898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414837.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The square root of 5388021898 is about 73403.1463767051. The cubic root of 5388021898 is about 1753.1124906620.

The spelling of 5388021898 in words is "five billion, three hundred eighty-eight million, twenty-one thousand, eight hundred ninety-eight".